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Numerical Investigation on the Deformation of Droplets in High-Pressure Homogenizers

In: High Performance Computing in Science and Engineering '10

Author

Listed:
  • Kathrin Kissling

    (University of Stuttgart, Institute of Mechanical Process Engineering)

  • Steffen Schütz

    (University of Stuttgart, Institute of Mechanical Process Engineering)

  • Manfred Piesche

    (University of Stuttgart, Institute of Mechanical Process Engineering)

Abstract

In the present paper a high pressure emulsification process in a homogenizing orifice is investigated. Contrary to former published papers no turbulence model is applied to calculate the turbulent and quasiturbulent effects, but a direct numerical simulation is carried out. Especially in narrow gaps turbulence models are not valid, hence important effects are damped out. In the wake of the orifice emerging vortex rings can be described. To gain further knowledge about the predominant deformation and break-up mechanisms the flow type in the high pressure homogenizer is evaluated. In a second step the deformation and break-up of a single droplet is investigated with a modified Volume-of-Fluid method.

Suggested Citation

  • Kathrin Kissling & Steffen Schütz & Manfred Piesche, 2011. "Numerical Investigation on the Deformation of Droplets in High-Pressure Homogenizers," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '10, pages 287-294, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-15748-6_22
    DOI: 10.1007/978-3-642-15748-6_22
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